--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/jdk.crypto.token/share/classes/sun/security/pkcs11/P11KeyFactory.java Wed Dec 14 10:51:13 2016 -0800
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.security.pkcs11;
+
+import java.security.*;
+import java.security.spec.*;
+
+import sun.security.pkcs11.wrapper.PKCS11Exception;
+
+/**
+ * KeyFactory base class. Provides common infrastructure for the RSA, DSA,
+ * and DH implementations.
+ *
+ * The subclasses support conversion between keys and keyspecs
+ * using X.509, PKCS#8, and their individual algorithm specific formats,
+ * assuming keys are extractable.
+ *
+ * @author Andreas Sterbenz
+ * @since 1.5
+ */
+abstract class P11KeyFactory extends KeyFactorySpi {
+
+ // token instance
+ final Token token;
+
+ // algorithm name, currently one of RSA, DSA, DH
+ final String algorithm;
+
+ P11KeyFactory(Token token, String algorithm) {
+ super();
+ this.token = token;
+ this.algorithm = algorithm;
+ }
+
+ /**
+ * Convert an arbitrary key of algorithm into a P11Key of token.
+ * Used by P11Signature.init() and RSACipher.init().
+ */
+ static P11Key convertKey(Token token, Key key, String algorithm)
+ throws InvalidKeyException {
+ return (P11Key)token.getKeyFactory(algorithm).engineTranslateKey(key);
+ }
+
+ // see JCA spec
+ protected final <T extends KeySpec> T engineGetKeySpec(Key key, Class<T> keySpec)
+ throws InvalidKeySpecException {
+ token.ensureValid();
+ if ((key == null) || (keySpec == null)) {
+ throw new InvalidKeySpecException
+ ("key and keySpec must not be null");
+ }
+ // delegate to our Java based providers for PKCS#8 and X.509
+ if (PKCS8EncodedKeySpec.class.isAssignableFrom(keySpec)
+ || X509EncodedKeySpec.class.isAssignableFrom(keySpec)) {
+ try {
+ return implGetSoftwareFactory().getKeySpec(key, keySpec);
+ } catch (GeneralSecurityException e) {
+ throw new InvalidKeySpecException("Could not encode key", e);
+ }
+ }
+ // first translate into a key of this token, if it is not already
+ P11Key p11Key;
+ try {
+ p11Key = (P11Key)engineTranslateKey(key);
+ } catch (InvalidKeyException e) {
+ throw new InvalidKeySpecException("Could not convert key", e);
+ }
+ Session[] session = new Session[1];
+ try {
+ if (p11Key.isPublic()) {
+ return implGetPublicKeySpec(p11Key, keySpec, session);
+ } else {
+ return implGetPrivateKeySpec(p11Key, keySpec, session);
+ }
+ } catch (PKCS11Exception e) {
+ throw new InvalidKeySpecException("Could not generate KeySpec", e);
+ } finally {
+ session[0] = token.releaseSession(session[0]);
+ }
+ }
+
+ // see JCA spec
+ protected final Key engineTranslateKey(Key key) throws InvalidKeyException {
+ token.ensureValid();
+ if (key == null) {
+ throw new InvalidKeyException("Key must not be null");
+ }
+ if (key.getAlgorithm().equals(this.algorithm) == false) {
+ throw new InvalidKeyException
+ ("Key algorithm must be " + algorithm);
+ }
+ if (key instanceof P11Key) {
+ P11Key p11Key = (P11Key)key;
+ if (p11Key.token == token) {
+ // already a key of this token, no need to translate
+ return key;
+ }
+ }
+ P11Key p11Key = token.privateCache.get(key);
+ if (p11Key != null) {
+ return p11Key;
+ }
+ if (key instanceof PublicKey) {
+ PublicKey publicKey = implTranslatePublicKey((PublicKey)key);
+ token.privateCache.put(key, (P11Key)publicKey);
+ return publicKey;
+ } else if (key instanceof PrivateKey) {
+ PrivateKey privateKey = implTranslatePrivateKey((PrivateKey)key);
+ token.privateCache.put(key, (P11Key)privateKey);
+ return privateKey;
+ } else {
+ throw new InvalidKeyException
+ ("Key must be instance of PublicKey or PrivateKey");
+ }
+ }
+
+ abstract <T extends KeySpec> T implGetPublicKeySpec(P11Key key, Class<T> keySpec,
+ Session[] session) throws PKCS11Exception, InvalidKeySpecException;
+
+ abstract <T extends KeySpec> T implGetPrivateKeySpec(P11Key key, Class<T> keySpec,
+ Session[] session) throws PKCS11Exception, InvalidKeySpecException;
+
+ abstract PublicKey implTranslatePublicKey(PublicKey key)
+ throws InvalidKeyException;
+
+ abstract PrivateKey implTranslatePrivateKey(PrivateKey key)
+ throws InvalidKeyException;
+
+ abstract KeyFactory implGetSoftwareFactory() throws GeneralSecurityException;
+
+}